United Studio Technologies FET 47
Best professional microphone for capturing classic studio sound.
This large diaphragm condenser microphone is a faithful recreation of a legendary vintage solid-state model, meticulously engineered for today's recording needs. It delivers unparalleled warmth and low-end response thanks to a custom Cinemag transformer and a custom Heisermann HZ-series K47 capsule. Utilizing vintage polystyrene capacitors and NOS FETs, it produces a clean, clear, and articulate sound with exceptional low noise and high headroom. Ideal for professional studios and voiceover work, this microphone is built in the USA, embodying over 50 years of combined industry expertise.
$798.00
Owner Satisfaction
4.7
/ 5
Category Rank
272
/ 3374
#272 in Microphones
Price vs Category Average
+15%
Above average
Who it's for
- Studio engineers seeking a classic, versatile microphone sound.
- Producers recording powerful vocals, drums, or instrument amplifiers.
- Recording professionals desiring vintage quality without the vintage price tag.
Who should skip it
- Vocalists expecting the specific warmth and saturation of a tube U47.
- Home studio users with limited space or lighter microphone stands.
- Budget-conscious musicians exploring their first high-end studio microphone.
Performance breakdown
Vintage Character
Captures the iconic, authoritative sound of classic FET studio microphones perfectly.
Low-End Authority
The custom Cinemag transformer delivers deep, rich, and controlled bass response.
Transient Response
Fast, articulate performance that handles complex vocal and instrumental dynamics effortlessly.
Build Integrity
American-made construction with premium components ensures long-term studio reliability.
Noise Floor
Exceptionally quiet operation allows for clean, pristine recordings in any environment.
Versatility
Excels on vocals and instruments, though its specific voicing favors certain sources.
Key Specs
Large diaphragm condenser microphone
Custom Heiserman HZ-series K47 capsule
Custom wound, large, striped-core, American made Cinemag transformer
Vintage polystyrene capacitors and NOS FETs
No electrolytic capacitors
Built in the USA
Connectivity Type
XLR
Power Source
Phantom Power
Know before you buy
The FET 47 is specifically engineered to replicate the sound and behavior of a legendary vintage solid-state microphone. By using a custom Heisermann K47 capsule and a Cinemag transformer, it captures that classic, authoritative low-end and articulate midrange that is often missing in modern, budget-friendly condensers.
Yes, it is an excellent choice for voiceover. Its high headroom and low noise floor allow it to handle loud, dynamic performances without distortion, while the custom transformer adds a professional warmth that helps voices sit well in a mix.
Yes, as a solid-state condenser microphone, it requires 48V phantom power from your audio interface or preamp to operate.
Polystyrene capacitors are prized in audio circuits for their stability and low distortion. By using these alongside NOS (New Old Stock) FETs and avoiding electrolytic capacitors, the design ensures a cleaner, more transparent signal path that stays true to the vintage character of the original circuit.
Absolutely. The FET 47 is known for its high headroom, making it a workhorse for loud sources like kick drums, bass cabinets, and overdriven guitar amps without the risk of clipping or unwanted coloration.
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